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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace BBSLab\NovaPermission\Traits;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use BBSLab\NovaPermission\Contracts\HasAuthorizations;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Illuminate\Support\Str;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Spatie\Permission\PermissionRegistrar;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Spatie\Permission\Traits\HasRoles as BaseTrait;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                trait HasRoles  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    use BaseTrait;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function getOverridePermissionCacheTags(): array  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return ['nova-permission', 'can-override'];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function getOverridePermissionCacheKey(): string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return implode(':', [ | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'nova-permission',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'can-override',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'user:'.$this->getKey(),  | 
            
                            
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                        ]);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    public function forgetOverridePermission(): void  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    { | 
            
            
                                                                        
                            
            
                                    
            
            
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                        /** @var \Illuminate\Contracts\Cache\Factory $cacheManager */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $cacheManager = app('cache'); | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $cacheManager->flush($this->getOverridePermissionCacheKey());  | 
            
                            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function canOverridePermission(): bool  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        /** @var \Illuminate\Contracts\Cache\Factory $cacheManager */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $cacheManager = app('cache'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $cache = method_exists($cacheManager->store(), 'tags')  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            ? $cacheManager->store()->tags($this->getOverridePermissionCacheTags())  | 
            
                            
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                            : $cacheManager->store();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $key = $this->getOverridePermissionCacheKey();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $cache->remember($key, PermissionRegistrar::$cacheExpirationTime, function () { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $guard = config('nova.guard') ?? config('auth.defaults.guard'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return $this->roles()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                ->where('guard_name', '=', $guard) | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                ->where('override_permission', '=', true) | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                ->exists();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        });  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function hasPermissionToOnModel($permission, $model = null, $guardName = null): bool  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if (empty($model) || ! $model instanceof HasAuthorizations) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return $this->can($permission);  | 
            
                            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $key = implode(':', [ | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'nova-permission',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'authorization',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            class_basename($model),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $model->getKey(),  | 
            
                            
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                            Str::snake($permission)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        ]);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        /** @var \Illuminate\Contracts\Cache\Factory $cacheManager */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $cacheManager = app('cache'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $authorization = $cacheManager->store()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            ->remember($key, PermissionRegistrar::$cacheExpirationTime, function () use ($permission, $model, $guardName) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                return $model->authorizations()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                    ->where('name', '=', $permission) | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                    ->where('guand_name', '=', $guardName ?? $this->getDefaultGuardName()) | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                    ->first();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            });  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return ! empty($authorization)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            ? $this->hasPermissionTo($authorization)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            : $this->can($permission);  | 
            
                            
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                    }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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This check looks for methods that are used by a trait but not required by it.
To illustrate, let’s look at the following code example
The trait
Idableprovides a methodequalsIdthat in turn relies on the methodgetId(). If this method does not exist on a class mixing in this trait, the method will fail.Adding the
getId()as an abstract method to the trait will make sure it is available.